Changes

===About Acid Rain===

: '''Acid rain''' is formed when certain [[gas]]es [[dissolve]] in the rain to make it [[acid]]ic:

:*[[Nitrous Oxide]]s [[dissolve]] to form [[Nitric Acid]]

:*[[Carbon Dioxide]] [[dissolve]]s to form [[Carbonic Acid]]

: '''Acid rain''' [[corrosion|corrode]]s buildings and statues made of [[limestone]] due to a [[neutralisation]] [[chemical Reaction|reaction]].

: '''Acid rain''' can damage [[plant]] growth because it makes the soil more [[acid]]ic.